**Synonyms:** separation, interval

**Definition:** the distance between things

**Usage:** *fragile items require separation and cushioning*

**Similar words:** distance

**Definition:** the property created by the space between two objects or points

**Synonyms:** interval

**Definition:** a set containing all points (or all real numbers) between two given endpoints

**Similar words:** set

**Definition:** (mathematics) an abstract collection of numbers or symbols

**Usage:** *the set of prime numbers is infinite*

**Synonyms:** musical interval, interval

**Definition:** the difference in pitch between two notes

**Similar words:** musical notation

**Definition:** (music) notation used by musicians

**Synonyms:** time interval, interval

**Definition:** a definite length of time marked off by two instants

**Similar words:** quantity, measure, amount

**Definition:** how much there is or how many there are of something that you can quantify